build: use more shards for application builder tests #8149

Job	Run time
build	1m 58s
lint	2m 8s
e2e_windows (windows-2025, 22, npm, 5)	36m 12s
e2e_windows (windows-2025, 22, npm, 0)	30m 24s
e2e_windows (windows-2025, 22, npm, 1)	42m 57s
e2e_windows (windows-2025, 22, npm, 3)	35m 29s
e2e_windows (windows-2025, 22, esbuild, 2)	33m 26s
e2e_windows (windows-2025, 22, npm, 2)	28m 56s
e2e_windows (windows-2025, 22, npm, 4)	28m 19s
e2e_windows (windows-2025, 22, esbuild, 4)	30m 53s
e2e_windows (windows-2025, 22, esbuild, 5)	30m 30s
e2e_windows (windows-2025, 22, esbuild, 3)	26m 40s
e2e_windows (windows-2025, 22, esbuild, 0)	24m 23s
e2e_windows (windows-2025, 22, esbuild, 1)	36m 20s
Browser Compatibility Tests	10m 24s
test	14m 46s
publish-snapshots	5m 29s
e2e-package-managers	0s
e2e	0s
e2e-snapshots	0s
	6h 59m 14s

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